plotter.py 文件源码

def __init__(self,
                 pen_down_action=None,
                 pen_up_action=None,
                 pen_drag_action=None):
        super(Plotter, self).__init__()

        if not pen_down_action:
            def pen_down_action(location):
                return
        if not pen_up_action:
            def pen_up_action(location):
                return
        if not pen_drag_action:
            def pen_drag_action(location):
                return

        self.anoto = Anoto()
        self.ems = EMS()
        self.gui = GUI()
        self.model = ReachModel(self.ems, self.gui)
        self.active_models = []

        def anoto_callback(addr, tags, pen_data, source):
            speed = self.anoto.speed.get_vector()
            self.model.stats.feed_data(speed, pen_data)
            self.model.stats.feed_anoto_time(time.time())
            if pen_data[2] == "down":
                self.ems.EMS_ON = True
                self.model.stats.resume_timer()
                location = (pen_data[0], pen_data[1])
                self.gui.mark_pen_down(location)
                pen_down_action(location)
                # print('Anoto: Pen Down')
            elif pen_data[2] == "up":
                self.ems.EMS_ON = False
                self.model.stats.pause_timer()
                self.model.handle_penup()
                self.anoto.speed.reset_measure()
                location = (pen_data[0], pen_data[1])
                self.gui.mark_pen_up(location)
                pen_up_action(location)
                # print('Anoto: Pen Up')
            elif pen_data[2] == "drag":
                location = (pen_data[0], pen_data[1])
                self.gui.mark_pen_drag(location)
                pen_drag_action(location)
                # print('Anoto: Pen Drag')

        self.anoto.set_callback_function(anoto_callback)
        self.anoto.start_osc_server()